Try cleaning you're MAP sensor

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2006 Ranger. 2.3l 5 speed
Air box mod and throttle cable mod.
Tri-fold tonneau cover. VHT taillights. Tinted corner lights.
fog lights.black headlights.
LED driving lights, dome, 3rd breaklight, LED tailgate light bar and LED foot wells. LED tails.
4.10 stock gears[/COLOR]

My Build:

http://www.fordrangerforum.com/proje...ger-build.html